Drive Numbering; Safety Information - QNAP TS-431XeU User Manual

Drive Numbering

Safety Information

The following instructions help ensure personal safety and environmental safety. Read these instructions
carefully before performing any operations.
General Instructions
• The NAS should be stored in a secure location with restricted access, controlled through the use of a
tool, lock and key, or any means of security.
• Only qualified, skilled, and authorized persons with knowledge of all restrictions, safety precautions,
and installation and maintenance procedures should have physical access to the NAS.
• To avoid potential injury or damage to components, ensure that the drives and other internal system
components have cooled before touching them.
• Observe electrostatic discharge (ESD) procedures to avoid potential injury or damage to components.
Power
• To reduce the risk of fire or electric shock, ensure that you only connect the power cord to a properly
grounded electrical outlet.
•
Devices with redundant power supply may have one or more power supply unit (PSU) cords. To avoid
serious injuries, a trained service technician must disconnect all PSU cords from the device before
installing or replacing system components.
System Battery
• To avoid potential battery explosion, causing injury or damage to components, ensure that you replace
the existing battery with a battery of the same type.
TS-431XeU User Guide
Product Overview 9